Lakes of New Zealand
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There are 3,820 lakes in New Zealand that have a surface area larger than one hectare. Many of the lakes in the central North Island are volcanic crater lakes. The majority of the lakes near the Southern Alps were carved by glaciers. Artificial lakes created as hydroelectric reservoirs are common in South Canterbury, Central Otago and along the Waikato River.[1]
Statistics
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- Largest lake: Lake Taupō – Script error: No such module "convert".
- Deepest lake: Lake Hauroko – 462 m
There are:
- 41 lakes with a surface area larger than 10 km2 (1000 ha)
- 229 lakes greater than 0.5 km2 (50 ha)
- 3820 lakes greater than 0.01 km2 (1 ha)
Pollution
A trophic level index is used as a measure of the pollution levels of lakes in New Zealand.
Based on the monitoring of 134 lakes it is estimated that one third of New Zealand lakes have high nutrient levels or have poor water quality.[2]
See also
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- Rivers of New Zealand
- Water in New Zealand
- List of dams and reservoirs in New Zealand
- Environment of New Zealand
References
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- ↑ Nathan, Simon. Types of lake. Te Ara – the Encyclopedia of New Zealand. Updated 24 September 2007. Accessed 23 March 2019.
- ↑ New Zealand Ministry for the Environment Template:Webarchive – Trophic Level Index for lakes
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Further reading
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